초록 ▼

Nozzle repair shields and methods for installing them are provided by this invention. The nozzle repair shield includes a cylindrical body portion having an annular flange disposed from the top end and at least one sealing lip disposed at its lower end. The body portion further includes an annular s

Nozzle repair shields and methods for installing them are provided by this invention. The nozzle repair shield includes a cylindrical body portion having an annular flange disposed from the top end and at least one sealing lip disposed at its lower end. The body portion further includes an annular support band located in its lower end for supporting the sealing lip during insertion and use. The preferred shield is constructed from machined PTFE stock, and further includes resilient spacing members between the sealing lips to further reduce damage to the sealing lips and subsequent loss of a fluid-tight seal.

대표청구항 ▼

A repair shield for repairing a damaged surface in the nozzle area of a glass-lined vessel, comprising: a polymeric, cylindrical body portion having first and second ends; an annular flange disposed at the first end of said body portion for limiting the inward movement of said shield when inserted i

A repair shield for repairing a damaged surface in the nozzle area of a glass-lined vessel, comprising: a polymeric, cylindrical body portion having first and second ends; an annular flange disposed at the first end of said body portion for limiting the inward movement of said shield when inserted into said nozzle; at least one sealing lip projecting substantially radially from the second end of said body portion for isolation the damaged nozzle surface from the contents of the vessel, said second end of said body portion comprising an annular cavity locate substantially coaxially with respect to said sealing lip, wherein the cavity has a diameter less than that of said lip; and at least one annular, rigid support means disposed in said annular cavity for providing support to said sealing lip during insertion and use.